<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script type="text/javascript">
        class Person {
            constructor(name, age) {
                this.name = name
                this.age = age
            }
            speak() {
                console.log(`我叫${this.name},我的年龄是${this.age}`);
            }
        }

        const p1 = new Person('tom', 18)
        const p2 = new Person('miao', 20)
        console.log(p1);
        console.log(p2);
        p1.speak()
        p2.speak()
    </script>
</body>

</html>